74019918 has 32 divisors (see below), whose sum is σ = 170532864. Its totient is φ = 20980512.

The previous prime is 74019893. The next prime is 74019929. The reversal of 74019918 is 81991047.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1605 + ... + 12272.

It is an arithmetic number, because the mean of its divisors is an integer number (5329152).

Almost surely, 2^74019918 is an apocalyptic number.

74019918 is an abundant number, since it is smaller than the sum of its proper divisors (96512946).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

74019918 is a wasteful number, since it uses less digits than its factorization.

74019918 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14016.

The product of its (nonzero) digits is 18144, while the sum is 39.

The square root of 74019918 is about 8603.4828993844. The cubic root of 74019918 is about 419.8713097790.

The spelling of 74019918 in words is "seventy-four million, nineteen thousand, nine hundred eighteen".